Leon Panetta visits Afghanistan

•January 1, 1970

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FILE PHOTO: Panetta discusses his new book 'Worthy Fights' at George Washington University in Washington

FILE PHOTO: Former U.S. Secretary of Defense Leon Panetta discusses his new book 'Worthy Fights' at George Washington University in Washington, U.S., October 14, 2014. REUTERS/Jonathan Ernst/File Photo

U.S. Secretary of Defense Leon Panetta is scheduled to meet with President Karzai during his two-day visit to Afghanistan. The trip comes as the Taliban has vowed revenge following this past weekend's killing spree by a U.S. soldier who is accused of killing 16 civilians in Afghanistan. Most of those killed were children and women.